SNAKES. 199 



2. BOODON INFERNALIS*. 



Scales in twenty-three or twenty-five rows. Above uniform 

 black, beneath paler. 



a. Adult. Port Natal. Presented by the Rev. H. Calloway. 



b. Young. Cape of Good Hope. Presented by Dr. John Lee, 



F.R.S. 



c. d. Adult. South Africa. From the Haslar Collection. 

 Description. — Body moderate ; tail rather short, not distinct 



from trunk, tapering ; head moderate, rather distinct from neck, 

 with flat crown and rounded muzzle. Eye rather small, pupil 

 subelliptical. Rostral moderate, rounded above, just reaching 

 the surface of snout'; frontals moderate ; vertical five-sided, 

 tapering, sometimes the outer edges united and forming a curved 

 line; sharply pointed behind; occipitals moderate, rounded 

 behind; superciliaries rather narrow; two posterior and two 

 anterior oculars; in one specimen the anterior united; loreal 

 elongate ; two nasals, nostril round, open. Eight upper labials, 

 third, fourth and fifth coming into the orbit ; six temporal shields, 

 rhomboid, of nearly equal size, only one in contact with lower 

 post-ocular. First pair of lower labials forming a long suture 

 behind the terminal one ; two pairs of chin-shields behind. Scales 

 smooth, rhomboid, in twenty-three or twenty-five rows; anal 

 entire. Anterior teeth in both jaws longest, those of the lower 

 jaw separated from the hinder ones by an interval. Entirely 

 uniform black ; belly paler, sometimes very pale. Length of cleft 

 of mouth |" ; length of tail 5" ; total length 27". 



3. BOODON UNICOLOR. 



Lycodon unicolor, Boie, his, 1827, p. 551 ; Schlegel, Ess. ii. 

 p. 1 12. Boaedon unicolor, Hum. Sf Bibr. p. 359. 



Scales in twenty-nine, or thirty-one rows. Uniform blackish 

 ash or brown, beneath paler. 



a. Adult. West Africa. From Mr. Rich's Collection. 



b. Adult. West Africa. From Mr. Rich's Collection. 



c. Adult. West Africa. From Mr. Rich's Collection. 



d. Adult. Africa. 



e. Adult : bad state. Africa. 



4. BOODON LIXKATUS. 



Boaedon lineatum et capense, Bum. cy Bibr. vii. pp. 363, 364 

 (not Lycodon capensis, Smith); A. Dum. in Rev. Mag. Zool. 

 1856, p. 464. 



* Boaedon nigrum, Fischer, Abhdlg. Gebiet. Naturw. Hamb. 1S56, 

 p. 91, may prove to be identical with the above species. 



